EP2712260B1 - Verfahren zur herstellung einer x2-verbindung zwischen basisstationen, basisstation und kommunikationssystem - Google Patents

Verfahren zur herstellung einer x2-verbindung zwischen basisstationen, basisstation und kommunikationssystem Download PDF

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Publication number
EP2712260B1
EP2712260B1 EP11858078.6A EP11858078A EP2712260B1 EP 2712260 B1 EP2712260 B1 EP 2712260B1 EP 11858078 A EP11858078 A EP 11858078A EP 2712260 B1 EP2712260 B1 EP 2712260B1
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Prior art keywords
base station
neighboring base
identifier
neighboring
address information
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French (fr)
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EP2712260A4 (de
EP2712260A1 (de
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Tao Liu
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/18—Self-organising networks, e.g. ad-hoc networks or sensor networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/02—Arrangements for optimising operational condition
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/27—Control channels or signalling for resource management between access points
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/08—Access point devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W92/00—Interfaces specially adapted for wireless communication networks
    • H04W92/16—Interfaces between hierarchically similar devices
    • H04W92/20—Interfaces between hierarchically similar devices between access points

Definitions

  • Embodiments of the present invention relate to the field of mobile communication technologies, and in particular, to a method for establishing an X2 connection between base stations, a base station, and a communication system.
  • LTE Long Term Evolution
  • UMTS Universal Mobile Telecommunications System
  • a base station and a neighboring base station of the base station can establish an X2 connection through an X2 interface to facilitate mutual communications or implement data transmissions.
  • the neighboring base station may be a neighboring base station that imposes interference on communications of the base station, and the base station may also be a base station that imposes interference on communications of the neighboring base station.
  • interference information between the base station and the neighboring base station can be transferred through an X2 connection between base stations, where the interference information may be used for the base station or the neighboring base station to adjust a communication policy of the base station or the neighboring base station to improve an anti-interference ability of the base station or the neighboring base station, thereby implementing network optimization.
  • an X2 connection between the base station and the neighboring base station can be implemented by using a manual configuration mode.
  • an X2 connection between the base station and the neighboring base station may be triggered by using a specific method and then be generated by the LTE system automatically. This mode of generating an X2 connection automatically by the LTE system may be called a mode of establishing an X2 connection automatically.
  • the foregoing mode of establishing an X2 connection automatically may be as follows: A user equipment (User Equipment, hereinafter abbreviated as UE) reports related information of the neighboring base station to the base station to establish an X2 connection between the base station and the neighboring base station, so that communications between the base station and the neighboring base station are implemented.
  • UE User Equipment
  • the foregoing mode of establishing an X2 connection between base stations automatically is more and more widely used because it can greatly reduce operation and maintenance workloads on the base station or the neighboring base station.
  • the mode of establishing an X2 connection between base stations automatically based on report of the UE needs to rely on access and mobility of the UE for implementation.
  • UEs at different positions in a cell under the base station or sufficient UEs in the cell are required to report related information of the neighboring base station to the base station, so that an X2 connection is gradually established between the base station and the neighboring base station.
  • the base station and the neighboring base station cannot establish an X2 connection automatically or cannot establish a perfect X2 connection, so that communications between the base station and the neighboring base station cannot be implemented, thereby making it difficult to implement fast optimization of a network.
  • US 2011/0141972 directs to a transport network layer connection setup method for a base station including monitoring physical cell identity values of neighboring cells.
  • the present invention provides a method for establishing an X2 connection between base stations, a base station, and a communication system to solve a problem that when there is no UE or there are insufficient UEs or there are no UEs at different positions, a base station and a neighboring base station cannot establish an X2 connection automatically or cannot establish a perfect X2 connection and therefore communications between the base station and the neighboring base station cannot be implemented and fast optimization of a network is difficult to implement.
  • One aspect of the present invention provides a method for establishing an X2 connection between base stations, including:
  • a base station including:
  • Another aspect of the present invention provides a communication system, including:
  • Another aspect of the present invention provides a communication system, including:
  • the method for establishing an X2 connection between base stations, the base station, and the communication system of the present invention are used to overcome defects of establishing an X2 connection between base stations based on report of a UE, such as slow speed and slow network optimization, so that an X2 connection between a base station and a neighboring base station does not rely on access of the UE and an X2 connection can be quickly established between the base station and the neighboring base station, thereby implementing fast optimization of a network.
  • SON Self-Organized Network
  • the SON technology has such main characteristics as automatic configuration, automatic discovery, automatic organization, and multi-hop route.
  • the characteristics of automatic configuration and automatic discovery of the SON technology make a process of forming a network by radio devices transparent to a terminal device.
  • the characteristics of automatic healing and automatic organization of the SON technology also enhance robustness of a mobile network.
  • the SON technology can also ensure optimization of bandwidth usage effectiveness.
  • the present invention mainly uses the characteristics of the SON technology. By using an SON receiver that has the characteristics of the SON technology, a base station obtains related information of a neighboring base station to establish an X2 connection between the base station and the neighboring base station quickly, thereby implementing fast optimization of the network.
  • a method for establishing an X2 connection between base stations includes the following steps:
  • the SON receiver may be located inside the base station.
  • the SON receiver may be configured by installing an integrated chip, a software module, or hardware module.
  • installation parameters may be set to perform configuration on the SON receiver.
  • the SON receiver may also be located outside the base station.
  • the SON receiver can establish a connection with the base station through a universal serial bus (Universal Serial Bus, abbreviated as USB) or through a serial port (for example, an RS232 serial port used for remote communications) or through the Ethernet.
  • USB Universal Serial Bus
  • serial port for example, an RS232 serial port used for remote communications
  • the cell identifier of the neighboring base station may be a cell global identifier (Cell Global ID, hereinafter abbreviated as CGI) of a cell under the neighboring base station.
  • CGI cell global identifier
  • one neighboring base station corresponds to one or more cells, and each cell has a unique CGI.
  • the foregoing neighboring base station may be a micro base station and correspond to one cell.
  • the foregoing neighboring base station may be a macro base station and correspond to multiple cells.
  • the neighboring base station can configure a CGI for each cell under the neighboring base station, and send a CGI to a cell corresponding to the CGI.
  • the neighboring base station may also send a CGI corresponding to a cell to a mobility management entity (Mobility Management Entity, hereinafter abbreviated as MME), to ensure that the cell under the neighboring base station, the neighboring base station, and the mobility management entity have the unique CGI corresponding to the cell.
  • MME Mobility Management Entity
  • the SON receiver receives indication information, and obtains the cell global identifier in working mode specified by the indication information.
  • the working mode may be a working frequency point and a working standard of the SON receiver.
  • a communication channel between the base station and a network management system is established automatically.
  • the communication channel between the base station and the network management system is established automatically by using the SON technology.
  • the network management system can perform remote management control on the base station, for example, the network management system implements remote control on the base station through an intelligent platform management interface (Intelligent Platform Management Interface, hereinafter abbreviated as IPMI).
  • IPMI Intelligent Platform Management Interface
  • the network management system sends indication information to the SON receiver, where the indication information may include such information as the working frequency point and the working standard of the SON receiver.
  • the working frequency point may be a working frequency allocated by the base station to the SON receiver and used to receive and send data.
  • the working standard may be a working mode of a radio access system defined by the 3GPP, for example, an LTE, a wideband code division multiple access (Wideband Code Division Multiple Access, abbreviated as WCDMA), a global system for mobile communications (abbreviated as GSM), and the like.
  • the working standard of the SON receiver is the LTE system. In the working frequency point and the LTE system allocated by the base station, the SON receiver starts running and further obtains a CGI of the neighboring base station.
  • the SON receiver may also obtain, in the foregoing working frequency point and working standard, a physical cell identifier (Physical Cell Identifier, hereinafter abbreviated as PCI) of a cell under the neighboring base station, and obtain the CGI according to the PCI.
  • PCI Physical Cell Identifier
  • the PCI is one of parameters used by the LTE system to perform scrambling processing on a downlink signal, and has the following functions:
  • the foregoing neighboring cells may be considered cells with overlapped signal coverage.
  • multiple cells in the neighboring base station may be allocated different CGIs and neighboring cells have different PCIs.
  • a mapping relationship among the CGI, the PCI, and each cell is stored on the access network side, and the SON receiver can obtain, according to the mapping relationship, a CGI by using the PCI.
  • Persons skilled in the art can understand and implement obtaining a CGI by using a PCI according to a predetermined mode, and details are not further described herein.
  • the base station obtains the address information of the neighboring base station according to the identifier of the neighboring base station.
  • the identifier of the neighboring base station may be related information of the neighboring base station, for example, an identifier ID of the neighboring base station.
  • a field of the CGI includes the identifier ID of the neighboring base station, and the base station can obtain the identifier ID of the neighboring base station according to the CGI. Persons skilled in the art can understand and implement obtaining the identifier ID of the neighboring base station according to the CGI, and details are not further described herein.
  • the SON receiver sends an obtained CGI to a base station, and the base station maintains and updates, according to the CGI, an information list of the neighboring base station located inside the base station.
  • the information list of the neighboring base station includes related information of the neighboring base station.
  • the information list may include a CGI of a cell under the neighboring base station, a name of the neighboring base station, and an identifier ID of the neighboring base station.
  • related information of the neighboring base station in the information list may be any information so long as the address information of the neighboring base station can be obtained according to the related information, and details are not further described herein
  • the address information of the neighboring base station may be transport layer address information.
  • the transport layer address information may be complete transport layer address information, or be one part of the complete transport layer address information so long as the base station can uniquely identify the transport layer address information and establish an X2 connection with the neighboring base station through the transport layer address information.
  • the transport layer address information may be transport layer address information of an X2 interface, and the base station can establish an X2 connection with the neighboring base station according to the transport layer address information of the X2 interface.
  • the transport layer address information may be Internet Protocol (Internet Protocol, hereinafter abbreviated as IP) address information of the neighboring base station, and the base station can initiate, according to the IP address information of the neighboring base station, an instruction for establishing an X2 connection with the neighboring base station to the neighboring base station.
  • IP Internet Protocol
  • the transport layer address information may also include other contents, and details are not further described herein.
  • the base station receives the address information of the neighboring base station that is obtained according to the identifier of the neighboring base station by the intermediate network element.
  • the intermediate network element can store address information of a target base station used to establish an X2 connection between the base station and the neighboring base station.
  • the intermediate network element has an information list or a storage unit, and the information list or the storage unit has a mapping relationship between the identifier of the neighboring base station and the address information of the neighboring base station.
  • the intermediate network element can obtain the address information of the neighboring base station directly by querying the information list or the storage unit, and feed back the address information of the neighboring base station to the base station.
  • the intermediate network element can obtain the IP address information of the neighboring base station by querying the information list or the storage unit.
  • the intermediate network element may also obtain the transport layer address information of the X2 interface by querying the information list or the storage unit.
  • the intermediate network element may be an MME or a network management system.
  • the X2 connection establishment message sent by the base station to the neighboring base station includes the IP address information of the base station.
  • the neighboring base station implements an X2 connection with the base station according to the IP address information of the base station.
  • the neighboring base station after the neighboring base station receives the X2 connection establishment message from the base station, if the neighboring base station is required to feed back a response message of the X2 connection establishment message to the base station to implement an X2 connection between the base station and the neighboring base station, the neighboring base station sends a response message to the base station according to the IP address of the base station in the X2 connection establishment message. After parsing the response message, the base station knows that the neighboring base station has already been prepared for the X2 connection. In this case, the base station can implement an X2 connection with the neighboring base station.
  • how to determine a range of the neighboring base station depends on different implementation policies.
  • the base station can initiate, according to a fact that requirements of an operator are set in the network management system, a request for obtaining the address information of the neighboring base station with respect to the neighboring base station.
  • the base station can know topology information of a position of the base station according to the MME, so that the base station sets the range of the neighboring base station.
  • all base stations in a predetermined area may be used as the neighboring base station range of the base station according to the predetermined area.
  • a base station can obtain address information of a neighboring base station through an SON receiver, so that an X2 connection between the base station and the neighboring base station does not rely on access of a UE and an X2 connection can be quickly established between the base station and the neighboring base station, thereby implementing fast optimization of a network.
  • the program may be stored in a computer readable storage medium.
  • the storage medium may include various mediums that can store program code, such as a ROM, a RAM, a magnetic disk, or an optical disc.
  • FIG. 2 illustrates a base station provided by a second embodiment of the present invention, where the base station is configured to implement actions executed by the base station in the method for establishing a connection between network elements in the foregoing embodiment.
  • the base station includes:
  • the obtaining unit 22 is further configured to obtain an identifier of the neighboring base station according to the cell identifier, and obtain the address information of the neighboring base station according to the identifier of the neighboring base station.
  • the SON receiver 21 is further configured to obtain indication information, and obtain the cell identifier in working mode specified by the indication information.
  • the base station further includes a sending unit 24 configured to send the identifier of the neighboring base station to an intermediate network element.
  • the obtaining unit 22 is further configured to receive the address information of the neighboring base station that is obtained according to the identifier of the neighboring base station by the intermediate network element.
  • a base station can obtain address information of a neighboring base station through an SON receiver, so that an X2 connection between the base station and the neighboring base station does not rely on access of a UE and an X2 connection can be quickly established between the base station and the neighboring base station, thereby implementing fast optimization of a network.
  • FIG. 3 illustrates a communication system provided in a third embodiment of the present invention, where the communication system is configured to implement the method for establishing an X2 connection between base stations in the foregoing embodiment.
  • the communication system includes:
  • the base station 31 is further configured to obtain an identifier of the neighboring base station according to the cell identifier, and obtain the address information of the neighboring base station according to the identifier of the neighboring base station.
  • the SON receiver 32 is further configured to receive indication information, and obtain the cell identifier in working mode specified by the indication information.
  • the base station 31 is further configured to send the identifier of the neighboring base station to an intermediate network element, and receive the address information of the neighboring base station that is obtained according to the identifier of the neighboring base station by the intermediate network element.
  • a base station can obtain address information of a neighboring base station through an SON receiver, so that an X2 connection between the base station and the neighboring base station does not rely on access of a UE and an X2 connection can be quickly established between the base station and the neighboring base station, thereby implementing fast optimization of a network.
  • FIG. 4 illustrates a communication system provided in a fourth embodiment of the present invention, where the communication system is configured to implement the method for establishing an X2 connection between base stations in the foregoing embodiment.
  • the communication system includes:
  • the intermediate network element is a mobility management entity or a network management system.
  • a base station can obtain address information of a neighboring base station through an SON receiver, so that an X2 connection between the base station and the neighboring base station does not rely on access of a UE and an X2 connection can be quickly established between the base station and the neighboring base station, thereby implementing fast optimization of a network.
  • modules in the device provided in the embodiment can be distributed in the device of the embodiment according to the description of the embodiment or be placed in one or more devices different from this embodiment through corresponding modifications.
  • the modules of the foregoing embodiment may be combined into one module or be further split into multiple submodules.

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  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Claims (15)

  1. Verfahren zum Aufbauen einer X2-Verbindung zwischen Basisstationen, umfassend:
    Erhalten (S101) eines Zellidentifikators einer benachbarten Basisstation über einen selbstorganisiertes-Netzwerk(SON)-Empfänger, wobei der Zellidentifikator der benachbarten Basisstation nicht von einem Benutzergerät berichtet wird, welches mit der Basisstation kommuniziert, durch eine Basisstation;
    Erhalten (S102) von Adressinformationen der benachbarten Basisstation gemäß dem Zellidentifikator durch die Basisstation; und
    Aufbauen (S103) einer X2-Verbindung mit der benachbarten Basisstation gemäß den Adressinformationen der benachbarten Basisstation durch die Basisstation.
  2. Verfahren zum Aufbauen einer X2-Verbindung zwischen Basisstationen nach Anspruch 1, wobei:
    der Zellidentifikator ein globaler Zellidentifikator oder ein physikalischer Zellidentifikator ist.
  3. Verfahren zum Aufbauen einer X2-Verbindung zwischen Basisstationen nach Anspruch 1 oder 2, wobei:
    der SON-Empfänger Angabeinformationen empfängt und den Zellidentifikator in dem Arbeitsmodus erhält, der von den Angabeinformationen spezifiziert wurde.
  4. Verfahren zum Aufbauen einer X2-Verbindung zwischen Basisstationen nach Anspruch 3, wobei:
    der Arbeitsmodus einen Arbeitsfrequenzpunkt und einen Arbeitsstandard des SON-Empfängers umfasst.
  5. Verfahren zum Aufbauen einer X2-Verbindung zwischen Basisstationen nach einem der Ansprüche 1 bis 4, wobei das Erhalten von Adressinformationen der benachbarten Basisstation gemäß dem Zellidentifikator durch die Basisstation umfasst:
    Erhalten eines Identifikators der benachbarten Basisstation gemäß dem Zellidentifikator durch die Basisstation; und
    Erhalten der Adressinformationen der benachbarten Basisstation gemäß dem Identifikator der benachbarten Basisstation durch die Basisstation.
  6. Verfahren zum Aufbauen einer X2-Verbindung zwischen Basisstationen nach Anspruch 5, wobei das Erhalten der Adressinformationen der benachbarten Basisstation gemäß dem Identifikator der benachbarten Basisstation durch die Basisstation umfasst:
    Senden des Identifikators der benachbarten Basisstation zu einem Zwischennetzwerkelement durch die Basisstation; und
    Empfangen der Adressinformationen der benachbarten Basisstation, die gemäß dem Identifikator der benachbarten Basisstation durch das Zwischennetzwerkelement erhalten wurden, durch die Basisstation.
  7. Verfahren zum Aufbauen einer X2-Verbindung zwischen Basisstationen nach Anspruch 6, wobei:
    das Zwischennetzwerkelement ein Mobilitätsmanagementorgan oder ein Netzwerkmanagementsystem ist.
  8. Verfahren zum Aufbauen einer X2-Verbindung zwischen Basisstationen nach einem der Ansprüche 1 bis 7, wobei:
    die Adressinformationen der benachbarten Basisstation Adressinformationen der Transportschicht sind.
  9. Basisstation, umfassend:
    einen selbstorganisiertes-Netzwerk(SON)-Empfänger (21), der konfiguriert ist, um einen Zellidentifikator einer benachbarten Basisstation zu erhalten, wobei der Zellidentifikator der benachbarten Basisstation nicht von einem Benutzergerät berichtet wird, welches mit der Basisstation kommuniziert;
    eine erhaltende Einheit (22), die konfiguriert ist, um Adressinformationen der benachbarten Basisstation gemäß dem Zellidentifikator zu erhalten; und
    eine Verbindungseinheit (23), die zum Aufbauen einer X2-Verbindung mit der benachbarten Basisstation gemäß den Adressinformationen der benachbarten Basisstation konfiguriert ist.
  10. Basisstation nach Anspruch 9, wobei:
    die erhaltende Einheit ferner konfiguriert ist, um einen Identifikator der benachbarten Basisstation gemäß dem Zellidentifikator zu erhalten und die Adressinformationen der benachbarten Basisstation gemäß dem Identifikator der benachbarten Basisstation zu erhalten.
  11. Basisstation nach Anspruch 9 oder 10, wobei:
    der SON-Empfänger ferner konfiguriert ist, um Angabeinformationen zu erhalten und den Zellidentifikator im Arbeitsmodus zu erhalten, der von den Angabeinformationen spezifiziert wurde.
  12. Basisstation nach Anspruch 10, ferner umfassend:
    eine Sendeeinheit, die konfiguriert ist, um den Identifikator der benachbarten Basisstation zu einem Zwischennetzwerkelement zu senden.
  13. Basisstation nach Anspruch 12, wobei:
    die erhaltende Einheit ferner konfiguriert ist, um die Adressinformationen der benachbarten Basisstation zu empfangen, die gemäß dem Identifikator der benachbarten Basisstation durch das Zwischennetzwerkelement erhalten wurden.
  14. Kommunikationssystem, umfassend:
    eine Basisstation (31) und einen selbstorganisiertes-Netzwerk(SON)-Empfänger (32);
    wobei der selbstorganisiertes-Netzwerk(SON)-Empfänger (32) konfiguriert ist, um einen Zellidentifikator einer benachbarten Basisstation zu erhalten, wobei der Zellidentifikator der benachbarten Basisstation nicht von einem Benutzergerät berichtet wird, welches mit der Basisstation kommuniziert; und
    die Basisstation (31) konfiguriert ist, um Adressinformationen der benachbarten Basisstation gemäß dem Zellidentifikator zu erhalten und eine X2-Verbindung mit der benachbarten Basisstation gemäß den Adressinformationen der benachbarten Basisstation aufzubauen.
  15. Kommunikationssystem nach Anspruch 14, wobei:
    die Basisstation ferner konfiguriert ist, um einen Identifikator der benachbarten Basisstation gemäß dem Zellidentifikator zu erhalten und die Adressinformationen der benachbarten Basisstation gemäß dem Identifikator der benachbarten Basisstation zu erhalten.
EP11858078.6A 2011-07-13 2011-07-13 Verfahren zur herstellung einer x2-verbindung zwischen basisstationen, basisstation und kommunikationssystem Active EP2712260B1 (de)

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Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101570185B1 (ko) * 2011-07-13 2015-11-18 후아웨이 테크놀러지 컴퍼니 리미티드 기지국들 사이에서 x2 접속을 확립하는 방법, 기지국, 및 통신 시스템
WO2013088616A1 (ja) 2011-12-14 2013-06-20 日本電気株式会社 無線基地局、サーバ、移動通信システム及び動作制御方法
CN103582167A (zh) * 2012-08-09 2014-02-12 中兴通讯股份有限公司 X2连接的建立处理方法、管理方法及装置
CN102932850B (zh) * 2012-11-05 2016-03-02 华为技术有限公司 基站、网络系统和通信方法
GB2512656A (en) * 2013-04-05 2014-10-08 Nec Corp Communication system
US10212701B2 (en) 2013-04-10 2019-02-19 Nec Corporation Wireless communication system, base station and wireless communication method
KR101980132B1 (ko) * 2013-04-26 2019-08-28 삼성전자주식회사 기지국간 통신을 위한 자원 할당 방법 및 장치
CN104519594B (zh) * 2013-09-27 2019-08-30 中兴通讯股份有限公司 连接建立方法与装置、系统
CN108632843A (zh) * 2017-03-24 2018-10-09 电信科学技术研究院 一种基站间接口建立的方法、第一基站及第二基站
CN106954224A (zh) * 2017-04-19 2017-07-14 北京佰才邦技术有限公司 一种基站配置的方法、基站及网管服务器
CN107241755B (zh) * 2017-07-12 2021-03-30 华为技术有限公司 通信方法、网络服务器和计算机可读存储介质
US10588062B2 (en) * 2018-03-09 2020-03-10 T-Mobile Usa, Inc. Automatically modifying cell definition tables within networks
CN111543075B (zh) * 2018-06-26 2021-11-30 华为技术有限公司 一种频段选择方法及装置

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4998133B2 (ja) * 2007-08-07 2012-08-15 富士通株式会社 移動通信システム及びリンク確立方法
KR101209389B1 (ko) 2007-11-19 2012-12-06 후지쯔 가부시끼가이샤 통신 시스템
JP5203502B2 (ja) * 2008-03-25 2013-06-05 テレフオンアクチーボラゲット エル エム エリクソン（パブル） 通信ネットワークシステムにおける方法と通信ネットワークノード
US8780814B2 (en) * 2008-04-04 2014-07-15 Qualcomm Incorporated Selective bearer establishment in E-utran/EPS
EP2110990B1 (de) * 2008-04-16 2014-06-04 Nokia Solutions and Networks Oy Verwaltung eines Netzwerkelements
US8583119B2 (en) * 2008-04-21 2013-11-12 Qualcomm Incorporated Method and apparatus for management of automatic neighbor relation function in wireless networks
US20100008293A1 (en) * 2008-07-09 2010-01-14 Qualcomm Incorporated X2 interfaces for access point base stations in self-organizing networks (son)
EP2152035B1 (de) * 2008-08-06 2016-12-21 Alcatel Lucent Verfahren zur automatischen Konfiguration von Adressen und/oder Sicherheitsdaten zwischen eNBs eines LTE-Zugangsnetzes und damit verbundene MME und eNB
CN101754116A (zh) 2008-12-03 2010-06-23 中兴通讯股份有限公司 在lte系统下基站x2接口传输地址获取的方法和装置
EP2384033B1 (de) 2008-12-30 2016-04-13 ZTE Corporation Verfahren zum erhalten der übertragungsadresse der zielbasisstation und verfahren zum herstellen der x2-schnittstellenverbindung
CN101888622B (zh) * 2009-05-14 2015-06-10 株式会社Ntt都科摩 一种分配物理层小区标识的方法及装置
CN101998705A (zh) * 2009-08-19 2011-03-30 中兴通讯股份有限公司 一种获取邻接eNB信息的方法和系统
KR101613848B1 (ko) * 2009-09-10 2016-04-21 삼성전자주식회사 자가조직 네트워크에서 셀 식별자 할당 방법 및 장치
KR101316682B1 (ko) * 2009-12-15 2013-10-10 한국전자통신연구원 다운링크 수신기를 이용한 기지국의 ｔｎｌ 연결 설정 방법 및 장치
JP5564931B2 (ja) * 2009-12-21 2014-08-06 富士通株式会社 基地局装置及びセル識別子割付方法
US8600387B2 (en) * 2010-04-29 2013-12-03 Qualcomm Incorporated Method and apparatus for performing intra closed subscriber group handover
CN102238668B (zh) * 2010-05-07 2015-08-12 北京三星通信技术研究有限公司 一种通过网关进行x2切换的方法
CN101854633B (zh) * 2010-06-08 2013-08-07 上海交通大学 均衡式自组织网络小区pci的自配置方法
WO2011159211A1 (en) * 2010-06-18 2011-12-22 Telefonaktiebolaget L M Ericsson (Publ) Methods and nodes for probing types of interfaces
CN101877871B (zh) * 2010-06-25 2013-06-26 新邮通信设备有限公司 一种网络自优化方法和一种演进基站
US8861494B2 (en) * 2011-06-03 2014-10-14 Alcatel Lucent Self-organizing communication networks
KR101570185B1 (ko) * 2011-07-13 2015-11-18 후아웨이 테크놀러지 컴퍼니 리미티드 기지국들 사이에서 x2 접속을 확립하는 방법, 기지국, 및 통신 시스템

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

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JP5817051B2 (ja) 2015-11-18
CN102308662A (zh) 2012-01-04
EP2712260A4 (de) 2015-11-18
KR20140031970A (ko) 2014-03-13
JP2014523197A (ja) 2014-09-08
EP2712260A1 (de) 2014-03-26
KR101570185B1 (ko) 2015-11-18
US20140120927A1 (en) 2014-05-01
CN102308662B (zh) 2013-12-18
WO2012106884A1 (zh) 2012-08-16
US9615398B2 (en) 2017-04-04

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